BE525514A - - Google Patents

Info

Publication number
BE525514A
BE525514A BE525514DA BE525514A BE 525514 A BE525514 A BE 525514A BE 525514D A BE525514D A BE 525514DA BE 525514 A BE525514 A BE 525514A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE525514A publication Critical patent/BE525514A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
BE525514D 1953-01-08 BE525514A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE747783X 1953-01-08

Publications (1)

Publication Number Publication Date
BE525514A true BE525514A (enrdf_load_html_response)

Family

ID=6648702

Family Applications (1)

Application Number Title Priority Date Filing Date
BE525514D BE525514A (enrdf_load_html_response) 1953-01-08

Country Status (2)

Country Link
BE (1) BE525514A (enrdf_load_html_response)
GB (1) GB747783A (enrdf_load_html_response)

Also Published As

Publication number Publication date
GB747783A (en) 1956-04-11

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